Device for drawing standing valves in wells



(No Model.)

J. MORAN.

DEVIGENPOR DRAWING STANDING VALVES INWBLLS.

Patented Feb.` 16", 1886.. L

N. PEIERS. Phono-Lithography. wmhngton, it4 Cy NITED STATES PATENTOFFICE,

JOHN MORAN, OF BRADFORD, PENNSYLVANIA.

DEVICE FOR DRAWING STANDING VALVES IN WELLS.

n f3QECIFICATIGNforming part VofV Letters Patent No. 336,488, datedFebruary 16, 1886.

Application filed August 13, i885.

v.To all whom it may concern.-

' Pennsylvania, have invented certain new and useful Improvements inDevices for Drawing Standing Valves in Wellsyand I do hereby declare thefollowing to be a full, clear, and exact description of the invention,such as will enable others skilled in the art to which it pertains tomake and use it, reference being had to the accompanying drawings, whichform part of this specification.

My invention relates to an improvement in devices for removing standingvalves from wells; and it consists iu the combination of the workingvalve and two sleeves which are internally screwthreaded and applied toa screwthreaded rod or bolt, the lower end of which rod screws into thecage of the standing valve, the two sleeves being made to connect theworking and standing valves when it is desired to either lower thestanding valve into place or raise it, as will be more fully describedhereinafter.

The object of my invention is to produce a simple clutch which can beattached to the lower end of the working valve and then made to connectto the standing valve, so that it can be raised from its seat to allowrivets and other devices which may have fallen into the well to passthrough the casing, and that without the trouble of ,having to removeany of the rods.

Figure 1 is a vertical section of a clutch embodying my invention,showing it attached to both the standing and the working valves. Figs. 2and 3 are detail views of the two sleeves which form the clutch.

A represents the working valve, and D the standing valve, of the well.These are of the ordinary construction, and hence need not be moreparticularly described in this connection. Connected to the cage of theworking valve A is a short tube, G, which is externally screwthreaded atits lower end, so as to make connection with the clutch, which isattached thereto, for the purpose of removing the standing valve. Thisclutch consists of the two short sleeves H I, which are both inter`nally screw-threaded, and which are placed upon the screw-rod B. One ofthese sleeves,

H, is provided with suitable projections, O,

Serial No. 174,352. (Nomodel.)

screw-rod B is provided with an enlarged head V at its upper end, andthis head is made to :tit the screw-threaded opening which is madethrough the upper sleeve, H, and that part of the opening which is madein the lower one, I. 'Ihe lower end of the screw-rod iits in the openingwhich is made through the lower portion of the sleeve I, the nut C, andthe opening through the upper end of the cage of the standing valve D.It will be seen that the opening through the lower sleeve, I, is ofunequal size, and that part which is made in its upper end is largerthan that which is made through its lower end, and that the largeropening is made about the same depth as the length of the head upon t-hescrew-bolt. In order to connect the two parts H I of the clamp together,it is necessary to turn the lower sleeve, I, upon the bolt B until itsupper end comes about flush with the upper end of the head, and then theprojections O upon the sleeve H can be made to enter the recess I? inthe upper end of the one I. When the upper sleeve, H, is turned, the twosleeves are made to revolve together, and then the two screwed downwardupon the screw-rod B. Vhen it is desired to remove the upper sleeve, H,from the rod, the two sleeves must be turned in such a manner that theywill rise upward upon the rod until the upper one, H, becomes freed fromthe head of the screw, but when it is desired to remove the lowersleeve, I, it must be screwed downward upon the rod until it can betaken from its smaller end. The shoulder which is formed inside of thesleeve I serves as a stop to the sleeve, to prevent it from being movedupward beyond that point at which the sleeve H can readily be attachedto the one I and the screw-rod.

lVere it not for the shoulder on the screwrod the sleeve I would followthe upward movement of the sleeve H as long as the two were in` contact,or until the one I was freed from the screw, when it would drop off intothe tubing. The shoulder acts as a stop to prevent the removal of thesleeve from the screw until the screw is rst removed.

IOO

i N l By means of the construction above described the screw-rod andsleeve I can be always left upon the top of the standing valve, so thatit can be raised whenever so desired.

When it is desired to raise the standing valve, so as to let rivets andother similar devices fall through the bottom of the casing', a clamp,which is composed of the three parts B H I, is connected to the workingvalve, as shown, and then the valve is lowered until the lower end ofthe screw-rod enters the top of the cage ofthe standing valve, as shown.By turning around the rods which are connected to the working valve Athis lower end of the screw is made to screw onto the cage of the valveD, and then the working valve and the standing valve can be raisedupward together, and that without removing the rods or any other partsof the well. If it is desired, this clutch may be left upon the standingValve, so that the working valve can be lowered at any time that it isdesired to lift the standing valve upward, or the clutch may beconnected to the working valve, and then only lower the standing valvewhen it is desired to raise the standing valve upward. A jan1-nut,

C, is placed upon the lower end of the rod, as

shown, between the lower sleeve, I, and the top of the working valve D.

Having thus described my invention, I claim- The combination of thescrew-rod B, having an enlarged upper end, the two sleeves H I,provided'with recesses and projections to cause them to turn together,and the working and standing valves, substantially as shown anddescribed. v

In testimony whereof I affix my signature in presence of two witnesses.

JOHN MORAN.

